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Finding the Fourth Proportional to 101,804.40, 140,483.37 and 56,482.26

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Solution

The fourth proportional to 101,804.40, 140,483.37 and 56,482.26 is: 77,941.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,804.40 : 140,483.37 = 56,482.26 : x
  2. Step 2: Convert to fraction form
    101,804.40/140,483.37 = 56,482.26/x
  3. Step 3: Cross multiply
    101,804.40x = 140,483.37 × 56,482.26
  4. Step 4: Simplify right side
    101,804.40x = 7,934,818,230.02
  5. Step 5: Solve for x
    x = 7,934,818,230.02/101,804.40
  6. Step 6: Final answer
    x = 77,941.80

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.